Commit Graph

403 Commits

Author SHA1 Message Date
Corinna Vinschen 26e3b0f006 * syscalls.cc (setmode): Call _fwalk with _GLOBAL_REENT. 2005-01-03 10:59:09 +00:00
Corinna Vinschen 2ef89b220a * cygwin.din: Add utmpx symbols.
* syscalls.cc: Include utmpx.h.  Implement utmpx functions as stubs
	to utmp functions.
	(copy_ut_to_utx): New static function.
	(pututline): Change from void to struct utmp * as on Linux.
	(setutxent): New function.
	(endutxent): New function.
	(getutxent): New function.
	(getutxid): New function.
	(getutxline): New function.
	(pututxline): New function.
	* include/utmpx.h: New file.
	* include/cygwin/utmp.h: New file.
	* include/cygwin/version.h: Bump API minor number.
	* include/sys/utmp.h: Include cygwin/utmp.h.  Move stuff common with
	utmpx functionality there.
	(pututline): Declare struct utmp *.
2004-12-15 17:29:01 +00:00
Christopher Faylor 576bfeeca8 * syscalls.cc (truncate64): Don't second-guess errno if open fails. 2004-12-01 15:00:40 +00:00
Christopher Faylor 8cb359d947 * child_info.h (child_info_spawn::hexec_proc): Eliminate.
* dcrt0.cc (dll_crt0_0): Remove hexec_proc stuff.
* fork.cc (fork_child): Remove call to pinfo_fixup_after_fork.
* pinfo.cc (set_myself): Close and zero pid_handle if set.
(pinfo_fixup_after_fork): Delete.
(proc_waiter): Don't close vchild.hProcess here.  Do that when we are remove
the vchild from procs.  Save hProcess as pid_handle only on first reparent
operation.
(pinfo::wait): Don't set pid_handle here.
(pinfo::alert_parent): Always try to send signal.  If unsuccessful then close
and zero wr_proc_pipe.
* pinfo.h (pinfo::pinfo): Make sure that appropriate parts of the class are
zeroed on construction.
(pinfo::alert_parent): Take char argument.
(pinfo_fixup_after_fork): Delete declaration.
(hexec_proc): Ditto.
* sigproc.cc (remove_proc): Close pid_handle and hProcess if appropriate.
* spawn.cc (spawn_guts): Set cygheap->pid_handle on first exec.
* cygheap.h (init_cygheap::pid_handle): New element.
* pinfo.cc (set_myself): Clear previously existing cygheap->pid_handle when a
new process has been started.
(pinfo::wait): Make sure that a handle to the newly forked/spawned process is
kept around so that the pid will not be reused.
* pinfo.h (_pinfo::pid_handle): Move.
(pinfo::pid_handle): to here.
* spawn.cc (spawn_guts): Create a pid_handle in cygheap prior to spawning to
ensure that the pid does not get reused during the lifetime of the "cygwin
pid".
* pinfo.h (pinfo::alert_parent): New function.
* exceptions.cc (sig_handle_tty_stop): Use alert_parent to send "signals" to
parent.
* fork.cc (fork_parent): Don't close pi.hProcess.  Let the waiter thread do
that.
* pinfo.cc (proc_waiter): Detect case where process exits without setting the
exit code and use value from GetExitCodeProcess.  Reluctantly implement
__SIGREPARENT.
(pinfo::alert_parent): Define.
* sigproc.h (__SIGREPARENT): New enum.
* spawn.cc (spawn_guts): Send reparent signal to parent on exec.  Always create
process in suspended state to avoid races.  Remove cygthread.h in favor of
cygtls.h throughout since cygtls now includes cygthread.h.  Eliminate
ppid_handle usage throughout.
* child_info.h: Regenerate magic number
(child_info): Remove pppid_handle.
* cygthread.h (cygthread::release): New method.  Frees thread without waiting.
* cygthread.cc (cygthread::stub): Set _ctinfo in _mytls to point to information
for executing thread.  Don't call SetEvent if thread is no longer in use.
(cygthread::simplestub): Ditto.
* cygtls.h (_cygtls::_ctinfo): New element contains pointer to information
about executing cygthread, if any.
* dcrt0.cc: Remove last vestiges of per_thread stuff.
(dll_crt0_0): Ditto.  Remove accommodation for ppid_handle.
(do_exit): Remove obsolete reparenting test.
(_exit): Exit with a more SUSv3-like exit value.
* dtable.cc (dtable::stdio_init): Check for myself->cygstarted rather than
myself->ppid_handle to see if we were started by a cygwin process.
* exceptions.cc (open_stackdumpfile): Ditto.
(handle_exceptions): Ditto.
(ctrl_c_handler): Ditto.
(sig_handle_tty_stop): Ditto.  Let parent send signal to itself on STOP.
(sigpacket::process): Comment out vfork test.
(signal_exit): Use more SUSv3-like exit value on signal.
* external.cc (fillout_pinfo): Don't set hProcess.
* fork.cc: Remove VFORK cruft.
(per_thread::set): Delete.
(fork_child): Remove perthread stuff.
(fork_parent): Remove obsolete subproc_init.  Accommodate new method for
tracking subprocesses.
* pinfo.cc (set_myself): Accommodate new pinfo/_pinfo layout.  Set some things
here that used to be set in wait_sig.
(_pinfo::exit): Set exitcode here.  Close process pipe.
(_pinfo::commune_send): Accommodeate new pinfo/_pinfo layout.
(proc_waiter): New function.  Waits, in a thread for subprocess to go away.
(pinfo::wait): New function.  Initialization for proc_waiter.
* pinfo.h (_pinfo::exitcode): New element.
(_pinfo::cygstarted): Ditto.
(_pinfo::wr_proc_pipe): Ditto.
(_pinfo::ppid_handle): Delete.
(_pinfo::hProcess): Delete.
(_pinfo::lock): Delete.
(pinfo::hProcess): New element.
(pinfo::lock): Ditto.
(pinfo::wait): Declare new function.
(pinfo::preserve): Define new function.
* sigproc.cc: Remove old stuff from wait_subproc thread based method.
(zombies): Remove.
(procs): New.
(my_parent_is_alive): Just check that the parent pid exists.
(mychild): Just use pinfo methods to determine if child is mine.
(proc_subproc): Revamp PROC_ADDCHILD to use pinfo::wait.  Remove
PROC_CHILDTERMINATED logic.  Use different method to remove processes from list
when SIGCHLD == SIG_IGN.
(proc_terminate): Gut.
(subproc_init): Delete.
(init_child_info): Remove setting of pppid_handle.
(checkstate): Revamp to only scan procs array.
(remove_proc): Rename from remove_zombie.  Don't close hProcess or pid_handle.
Don't release memory if it's myself.
(stopped_or_terminated): Change logic to handle new consolidated proc/zombie
array.
(wait_subproc): Delete.
* sigproc.h: Remove obsolete EXIT_* defines.
(subproc_init): Remove declaration.
* spawn.cc (spawn_guts): Remove reparenting stuff.  Use standard wait logic to
wait for child if started from a non-cygwin process.
* tlsoffsets.h: Regenerate.
* tty.cc (tty_init): Check for myself->cygstarted rather than
myself->ppid_handle to see if we were started by a cygwin process.
* include/sys/signal.h (external_pinfo::exitcode): Replace hProcess.
* include/sys/wait.h (WCOREDUMP): Define.
* fhandler_tty.cc (fhandler_tty_slave::read): Add debugging output for timeout
case.
* signal.cc (abort): Flag that we are exiting with the ABORT signal.
2004-11-26 04:15:10 +00:00
Pierre Humblet e70bea195b 2004-11-20 Pierre Humblet <pierre.humblet@ieee.org>
* cygheap.h (cygheap_user::get_windows_id): New method.
	* registry.h (get_registry_hive_path): Change argument type.
	(load_registry_hive): Ditto.
	* registry.cc (get_registry_hive_path): Change argument type and take
	Win9x keys into account.
	(load_registry_hive): Ditto.
	* uinfo.cc (cygheap_user::env_userprofile): Use get_windows_id, even
	for SYSTEM.
	* shared.cc (user_shared_initialize): Use get_windows_id.
	* syscalls.cc (seteuid32): Load the registry hive and reload the user
	shared also on Win9x.
2004-11-20 19:09:19 +00:00
Pierre Humblet 531979231d 2004-10-28 Pierre Humblet <pierre.humblet@ieee.org>
* path.cc (mount_info::from_registry): Deimpersonate while
        accessing HKLM.
        (mount_info::read_cygdrive_info_from_registry): Ditto.
        * cygheap.h: Define NO_IMPERSONATION.
        (cygheap_user::issetuid): Replace INVALID_HANDLE_VALUE by
        NO_IMPERSONATION.
        (cygheap_user::has_impersonation_tokens): Ditto.
        (cygheap_user::close_impersonation_tokens): Ditto.
        * uinfo.cc (uinfo_init): Ditto.
        * syscalls.cc (seteuid32): Ditto.
        * security.cc (set_impersonation_token): Ditto.
2004-10-28 01:46:01 +00:00
Corinna Vinschen af444ab7be * syscalls.cc (unlink): Don't use "delete on close" on remote shares. 2004-09-17 09:10:53 +00:00
Christopher Faylor d584454c82 * exceptions.cc: (ctrl_c_handler): Do nothing while a Cygwin subprocess is
starting.
* child_info.h (init_child_info): Remove pid argument from declaration.
* cygheap.h (init_cygheap::pid): New element.
* dcrt0.cc (dll_crt0_0): Eliminate handling of now-noexistent cygpid parameter
in child_info struct.  Set forkee to 'true' rather than cygpid since the pid
value was never used.
(dll_crt0_1): Ditto.
(_dll_crt0): Ditto.
* fork.cc (fork_child): Don't wait for sigthread.  This is handled in the fork
call now.
(fork_parent): Remove obsolete pid argument from init_child_info call.  Don't
do anything special with cygpid when DEBUGGING.
(fork): Delay all signals during fork.
(fork_init): Don't do anything special when DEBUGGING.
* pinfo.cc (set_myself): Remove pid parameter.  Use new pid field in cygheap.
(pinfo_init): Don't pass pid argument to set_myself.
* sigproc.cc (sig_send): Wait for dwProcessId to be non-zero as well as
sendsig.
(init_child_info): Eliminate handling of pid.
(wait_sig): Implement method to temporarily hold off sending signals.
* sigproc.h (__SIGHOLD): New enum.
(__SIGNOHOLD): Ditto.
* spawn.cc (spawn_guts): Remove obsolete pid argument from init_child_info
call.
2004-09-12 03:47:57 +00:00
Corinna Vinschen 4875a4b66e * Makefile.in: Create libutil.a from bsdlib.o exports.
* bsdlib.cc (logwtmp): Move from syscalls.cc to here.
	(login): Ditto.
	(logout): Ditto.

	* winsup.h (EXPORT_ALIAS): New macro.
	* exec.cc: Define alias symbols using EXPORT_ALIAS macro.
	* syscalls.cc: Ditto.
	* times.cc: Ditto.
2004-09-10 08:30:51 +00:00
Christopher Faylor 0cd9f74fa5 Regularize most strace_prints throughout so that %E is always preceded by a
comma and elminate most uses of "foo = %s" to "foo %s".
2004-09-03 01:53:12 +00:00
Pierre Humblet 2e41976b56 2004-08-28 Pierre Humblet <pierre.humblet@ieee.org>
* syscalls.cc (ftruncate64): On 9x, call write with a zero length
        to zero fill when the file is extended.
2004-08-28 01:37:27 +00:00
Corinna Vinschen bb647ab68c * syscalls.cc (link): Avoid compiler warning. 2004-08-24 22:49:16 +00:00
Corinna Vinschen 3410b5be3e * errno.cc (errmap): Add ERROR_TOO_MANY_LINKS -> EMLINK mapping.
* syscalls.cc (link): Only copy files if FS doesn't support hard links.
2004-08-03 14:37:26 +00:00
Christopher Faylor 325965583f revert erroneous checkin 2004-07-20 16:01:39 +00:00
Christopher Faylor 894c677711 * Makefile.in (clean): Remove cygwin.def since it is autogenerated. 2004-07-20 15:52:33 +00:00
Christopher Faylor e3778517d9 * path.cc (chdir): Always use the normalized_path as posix_cwd, except if it
starts with a drive.

Also perform whitespace cleanup.
2004-05-28 19:50:07 +00:00
Corinna Vinschen 68509b303e * cygwin.din: Add symbols flockfile, ftrylockfile, funlockfile,
getgrgid_r, getgrnam_r and getlogin_r.
	* grp.cc (getgrgid_r): New function.
	(getgrnam_r): Ditto.
	* syscalls.cc (flockfile): Ditto.
	(ftrylockfile): Ditto.
	(funlockfile): Ditto.
	* sysconf.cc (sysconf): Return LOGIN_NAME_MAX in case of
	_SC_LOGIN_NAME_MAX.
	* thread.cc (__cygwin_lock_trylock): Define int.  Return value from
	call to pthread_mutex_trylock.
	* uinfo.cc (getlogin_r): New function.
	* include/limits.h: Define LOGIN_NAME_MAX.
	* include/cygwin/version.h: Bump API minor number.
	* include/sys/lock.h: Add declarations for __cygwin_lock_xxx functions.
	* include/sys/stdio.h: Add define for _ftrylockfile.
2004-05-17 16:06:02 +00:00
Christopher Faylor ac3003157b * syscalls.cc: Include environ.h.
(chroot): Set errno in case of path error.  Call getwinenv.
* environ.cc: Remove the NO_COPY attribute of conv_envvars.
2004-05-08 02:55:38 +00:00
Corinna Vinschen 1e98729b2a * dir.cc (writable_directory): Remove.
(mkdir): Remove call to writable_directory.
	* syscalls.cc (unlink): Ditto.
	(rename): Ditto.
	* winsup.h (writable_directory): Remove declaration.
2004-05-03 11:53:07 +00:00
Corinna Vinschen b7ede86cfe * syscalls.cc (lseek64): Fix debug_printf format string.
(truncate64): Ditto.

	* fhandler.cc (fhandler_base::lseek): Force res to -1 on error.
2004-04-21 08:16:13 +00:00
Corinna Vinschen c8daf9983b * fhandler_disk_file.cc (fhandler_base::open_fs): Change
set_file_attribute call to indicate that NT security isn't used.
	(fhandler_disk_file::fchmod): Rearrange to isolate 9x related
	statements.
	Do not set FILE_ATTRIBUTE_SYSTEM.
	(fhandler_disk_file::fchown): Check noop case first.
	* fhandler.cc (fhandler_base::open9x): Remove ntsec related statements.
	(fhandler_base::set_name): Do not set namehash.
	* fhandler.h (fhandler_base::get_namehash): Compute and set namehash if
	needed.
	* syscalls.cc (access): Verify that fh is not NULL. Do not set PC_FULL.
	(chmod): Ditto.
	(chown_worker): Ditto.
	(stat_worker): Ditto. Verify if the path exists.
2004-04-20 15:51:24 +00:00
Corinna Vinschen e859706578 * autoload.cc (NtCreateFile): Add.
* dir.cc (mkdir): Change set_file_attribute call to indicate that
	NT security isn't used.
	* fhandler.cc (fhandler_base::open_9x): New method, created from
	fhandler_base::open.
	(fhandler_base::open): Rearrange to use NtCreateFile instead of
	CreateFile.
	* fhandler.h (enum query_state): Redefine query_null_access to
	query_stat_control.  query_null_access isn't allowed in NtCreateFile.
	(fhandler_base::open_9x): Declare.
	* fhandler_disk_file.cc (fhandler_base::fstat_fs): Use
	query_stat_control first, query_read_control if that fails.
	(fhandler_disk_file::fchmod): Call enable_restore_privilege before
	trying to open for query_write_control.  Don't fall back to
	opening for query_read_control.
	(fhandler_disk_file::fchown): Ditto.
	(fhandler_disk_file::facl):  Only request restore privilege and query
	access necessary for given cmd.
	* fhandler_raw.cc (fhandler_dev_raw::open): Call fhandler_base::open
	instead of opening device here.
	* ntdll.h (NtCreateFile): Declare.
	* path.cc (symlink_worker): Change set_file_attribute call to indicate
	that NT security isn't used.
	* sec_acl.cc (getacl): Fix bracketing.
	* sec_helper.cc (enable_restore_privilege): New function.
	* security.cc (str2buf2uni_cat): New function.
	(write_sd): Don't request restore permission here.
	* security.h (set_process_privileges): Drop stale declaration.
	(str2buf2uni): Declare.
	(str2buf2uni_cat): Declare.
	(enable_restore_privilege): Declare.
	* syscalls.cc (fchown32): Return immediate success on 9x.
2004-04-16 21:22:13 +00:00
Corinna Vinschen e84c7766c3 * ntdll.h: Fix copyright date.
* sec_acl.cc (acl_worker): delete allocated fhandler.
	* syscalls.cc (chown_worker): Ditto.
	(chmod): Ditto.
	(stat_worker): Use get_namehash instead of hash_path_name.
2004-04-14 21:11:45 +00:00
Corinna Vinschen 0c5f00f98a * syscalls.cc (fstat64): Use get_namehash instead of hash_path_name. 2004-04-14 16:51:28 +00:00
Corinna Vinschen e3d1d51579 * fhandler.cc (fhandler_base::open): Simplify access evaluation
expression.
	(fhandler_base::facl): New method.
	* fhandler.h: Declare facl method in fhandler_base,
	fhandler_disk_file and fhandler_virtual.
	* fhandler_disk_file.cc (fhandler_disk_file::facl): New method.
	* fhandler_virtual.cc (fhandler_virtual::facl): New method.
	* sec_acl.cc: Remove forward declaration for aclsort32 and acl32.
	(setacl): Remove static.  Add and use handle parameter.
	(getacl): Ditto.
	(acl_worker): Reorganize to call fhandler's facl method eventually.
	(facl32): Ditto.
	* security.cc (get_nt_object_security): Remove static.
	* security.h: Add extern declarations for get_nt_object_security,
	aclsort32, acl32, getacl and setacl.


	Apply missing syscalls.cc patch and ChangeLog of previous check in.
	* syscalls.cc (chown_worker): Reorganize to call fhandler's fchown
	method eventually.
	(fchown): Ditto.
2004-04-14 16:36:26 +00:00
Corinna Vinschen f4ae6dc62c * autoload.cc (NtSetSecurityObject): Add.
* fhandler_disk_file.cc (fhandler_disk_file::fchmod): Only request
	READ_CONTROL rights when opening the file.
	* ntdll.h (NtSetSecurityObject): Add declaration.
	* security.cc (write_sd): Call NtSetSecurityObject instead of
	BackupWrite.
	(get_nt_object_security): Don't free security descriptor here.

	* syscalls.cc (ttyname): Use buffer of length TTY_NAME_MAX + 1.
	* sysconf.cc (sysconf): Handle _SC_TTY_NAME_MAX request.
	* include/limits.h: Define TTY_NAME_MAX and _POSIX_TTY_NAME_MAX.
2004-04-14 10:20:26 +00:00
Corinna Vinschen 93d66ddc20 * cygwin.din: Export rand_r and ttyname_r.
* syscalls.cc (ttyname_r): New function.
	(ttyname): Move functionality to ttyname_r.  Call it from here.
	* include/cygwin/version.h: Bump API minor number.
2004-04-14 09:12:04 +00:00
Corinna Vinschen 854c870051 * dir.cc (mkdir): Call set_file_attribute with additional handle
argument.
	* fhandler.cc (fhandler_base::fchmod): New method.
	* fhandler.h: Declare fchmod method in fhandler_base,
	fhandler_disk_file and fhandler_virtual.
	* fhandler_disk_file.cc (fhandler_disk_file::fchmod): New method.
	(fhandler_base::open_fs): Call set_file_attribute with additional
	handle argument.
	* fhandler_virtual.cc (fhandler_virtual::fchmod): New method.
	* path.cc (symlink_worker): Call set_file_attribute with additional
	handle argument.
	* security.cc (get_nt_object_security): New function.
	(get_nt_object_attribute): Call get_nt_object_security.
	(set_nt_attribute): Add handle argument.  Call get_nt_object_security
	first, read_sd only if that fails.
	(set_file_attribute): Add handle argument.
	* security.h (set_file_attribute): Declare with additional handle
	argument.
	* syscalls.cc (stat_suffixes): Move to beginning of file.
	(chown_worker): Call set_file_attribute with additional handle argument.
	(chmod): Reorganize to call fhandler's fchmod method eventually.
	(fchmod): Ditto.
2004-04-13 20:36:58 +00:00
Corinna Vinschen 66d9ac398a * syscalls.cc (sync): Define void according to SUSv3. 2004-04-10 20:40:41 +00:00
Corinna Vinschen 7224437c62 * fhandler.cc (rootdir): Add and use second argument.
* winsup.h (rootdir): Add second argument in declaration.
	* path.cc (fs_info::update): Modify call to rootdir.
	* syscalls.cc (check_posix_perm): Ditto.
	(statfs): Ditto. Move syscall_printf near top.
2004-04-10 19:24:55 +00:00
Corinna Vinschen 56551a9bfb * Use new unified status_flag accessor methods from classes fhandler_*,
tty_min, mtinfo and fs_info thoroughout.
	* fhandler.h: Redefine all set_close_on_exec methods to take a bool
	argument.
	(enum conn_state): Rename from connect_state.
	(class fhandler_base): Rename some status flags to align with
	accessor method names.  Drop encoded flag entirely.  Unify status
	accessor methods.  Const'ify all read accessor methods.
	(class fhandler_socket): Ditto.
	(class fhandler_dev_raw): Ditto.
	* fhandler_disk_file.cc (fhandler_base::fstat_fs): Use fs.fs_is_fat()
	instead of evaluating FATness of file system here.
	(fhandler_disk_file::opendir): Drop call to set_encoded().
	(fhandler_disk_file::readdir): Use pc.isencoded() directly.
	* mtinfo.h (class mtinfo_drive): Const'ify all read accessor methods.
	* path.cc (fsinfo_cnt): Add.
	(fs_info::update): Accomodate class changes. Evaluate file system
	name specific flags right here. Add thread safety for reading and
	writing global fsinfo array.
	* path.h (enum path_types): Drop values for flags kept in fs already.
	(struct fs_info): Move status informatin into private struct type
	status_flags.  Add accessor methods. Remove path and file system
	name string arrays in favor of status bits.
	(class path_conv): Use new fs_info status information where
	appropriate.
	(path_conf::fs_has_ea): Rename from fs_fast_ea.
	(path_conf::fs_has_acls): New method.
	(path_conf::root_dir): Remove.
	(path_conf::volname): Remove.
	* syscalls (statfs): Evaluate root dir locally.
	* tty.h (class tty_min): Unify status accessor methods.  Const'ify
	all read accessor methods.
2004-04-10 13:45:10 +00:00
Corinna Vinschen a9a5b2eab0 * fhandler.cc (fhandler_base::open): Set query access mode according
to query_open setting.
	(fhandler_base::fhandler_base): Initialize query_open.
	* fhandler.h (FH_QUERYOPEN): Drop.
	(enum query_state): Add.
	(class fhandler_base): Add query_open member.
	(fhandler_base::get_query_open): Redefine to use query_open.
	(fhandler_base::set_query_open): Ditto.
	* fhandler_disk_file.cc (fhandler_base::fstat_fs): Remove O_DIROPEN
	from open_flags since it's added in open_fs anyway.  Remove
	query_open_already.  Use new query_open settings.  Rearrange slightly.
	(fhandler_base::fstat_helper): Add get_io_handle as parameter to
	get_file_attribute.
	* security.cc (get_nt_object_attribute): Make returning an int.
	Return -1 on error, 0 otherwise.
	(get_file_attribute): Take an object handle as argument. Move down
	to allow calling get_nt_object_attribute in case a non-NULL handle
	is given.
	* security.h (get_file_attribute): Add handle to argument list.
	* syscalls.cc (chown_worker): Accomodate new definition of
	get_file_attribute.
2004-04-08 07:57:28 +00:00
Christopher Faylor 720c33ae4c * Makefile.in (clean): Clean libserver, too.
* fhandler.cc (fhandler_base::~fhandler_base): Remove path_conv cleanup.
* syscalls.cc (chroot): Ditto.
* path.cc (path_conv::~path_conv): Define new destructor.
(conv_path_list_buf_size): Remove explicit path_conv cleanup.
* path.h (path_conv::~path_conv): Declare new destructor.
2004-02-17 20:03:01 +00:00
Corinna Vinschen 212592dcc9 * syscalls.cc (rename): Do not test the MoveFile error code
where MoveFileEx exists.
2004-02-16 11:45:04 +00:00
Christopher Faylor e431827c7c Rename _threadinfo to _cygtls, throughout.
* cygtls.h (_cygtls::call_signal_handler): Rename from call_signal_handler_now.
(_cygtls::push): Make second argument mandatory.
(_cygtls::fixup_after_fork): Declare new function.
(_cygtls::lock): Ditto.
* cygtls.cc (_cygtls::fixup_after_fork): Define new function.
* dcrt0.cc (cygwin_finished_initializing): Define as bool.
(alloc_stack): Use _tlstop rather than arbitrary variable in probably vain
attempt to avoid strange fork problem on CTRL-C.
(dll_crt0_0): Remove obsolete winpids::init call.
* dll_init.cc (dll_dllcrt0): Detect forkee condition as equivalent to
initializing.
* winsup.h (cygwin_finished_initializing): Declare as bool.
* exceptions.cc (handle_exceptions): Rely on cygwin_finished_initializing to
determine how to handle exception during process startup.
(_cygtls::call_signal_handler): Rename from call_signal_handler_now.
(_cygtls::interrupt_now): Fill in second argument to push.
(signal_fixup_after_fork): Eliminate.
(setup_handler): Initialize locked to avoid potential inappropriate unlock.
Resume thread if it has acquired the stack lock.
(ctrl_c_handler): Just exit if ctrl-c is hit before cygiwn has finished
initializing.
* fork.cc (sync_with_child): Don't call abort since it can cause exit
deadlocks.
(sync_with_child): Change debugging output slightly.
(fork_child): Set cygwin_finished_initializing here.  Call _cygtls fork fixup
and explicitly call sigproc_init.
(fork_parent): Release malloc lock on fork failure.
(vfork): Call signal handler via _my_tls.
* sigproc.cc (sig_send): Ditto.
* syscalls.cc (readv): Ditto.
* termios.cc (tcsetattr): Ditto.
* wait.cc (wait4): Ditto.
* signal.cc (nanosleep): Ditto.
(abort): Ditto.
(kill_pgrp): Avoid killing self if exiting.
* sync.cc (muto::acquire): Remove (temporarily?) ill-advised exiting_thread
check.
* gendef (_sigfe): Be more agressive in protecting stack pointer from other
access by signal thread.
(_cygtls::locked): Define new function.
(_sigbe): Ditto.
(_cygtls::pop): Protect edx.
(_cygtls::lock): Use guaranteed method to set eax to 1.
(longjmp): Aggressively protect signal stack.
* miscfuncs.cc (low_priority_sleep): Reduce "sleep time" for secs == 0.
* pinfo.cc (winpids::set): Counterintuitively use malloc's lock to protect
simultaneous access to the pids list since there are pathological conditions
which can cause malloc to call winpid.
(winpids::init): Eliminate.
* pinfo.h (winpids::cs): Eliminate declaration.
* pinfo.h (winpids::init): Eliminate definition.
2004-02-12 03:01:58 +00:00
Christopher Faylor cec4879206 * debug.h (console_printf): Define for non-debugging condition.
* cygtls.h (_threadinfo::lock): Remove wait argument.
(_threadinfo::interrupt_setup): Remove retaddr argument.
* exceptions.cc (_threadinfo::interrupt_setup): Ditto.
(_threadinfo::interrupt_now): Accommodate change to interrupt_setup argument.
(setup_handler): Ditto.  Always lock sig stack prior to determining interrupt
method.
* gendef (_sigfe): Correct thinko regarding cmpxchg.
(_sigbe): Ditto.
(_threadinfo::lock): Ditto.
(_threadinfo::pop): Eliminate left-over stack unlock.
* sigproc.cc (proc_subproc): Chnage debugging output to printed warning.
2004-02-09 04:04:24 +00:00
Christopher Faylor 5e0f482f2c * cygtls.cc (_threadinfo::init_thread): Add more local reent stdio
initialization.
* dcrt0.cc (initial_env): Can it really be true that XP doesn't allow attaching
a debugger during DLL attach?  Add temporary workaround.
(dll_crt0_0): Ensure that _impure_ptr stdio is initialized before any threads.
(dll_crt0_1): Move _impure_ptr initialization to dll_crt0_0.
* exceptions.cc (try_to_debug): Reinstate old method for looping while
debugging.
* syscalls.cc (_cygwin_istext_for_stdio): Regularize debugging output.  Remove
hopefully extraneous check.
(setmode_helper): Add debugging output for improbable case.  Use "binary"
rather "raw" for consistency.
2004-01-26 18:52:02 +00:00
Christopher Faylor f4e815bc30 * cygheap.cc (init_cygheap::close_ctty): Protect YA vforkism.
* fhandler.h (fhandler_base::has_acls): Make pass through for path_conv method.
(fhandler_base::isremote): Ditto.
(fhandler_base::is_fs_special): Ditto.
(fhandler_base::has_attribute): Ditto.  Define new function.
(fhandler_base::fhaccess): Declare new function based on access_worker.
(fhandler_base::set_has_acls): Eliminate obsolete function.
(fhandler_base::set_isremote): Ditto.
* fhandler.cc (fhandler_base::fhaccess): Move from syscalls.cc and into
fhandler_base class.  Use fhandler methods to access data rather than path_conv
stuff.
(fhandler_base::device_access_denied): Use fhaccess method.
* fhandler_disk_file.cc (fhandler_disk_file::opendir): Ditto.
(fhandler_base::open_fs): Remove calls to obsolete functions.
* fhandler_virtual.cc (fhandler_virtual::open): Ditto.
* winsup.h (access_worker): Remove obsolete access_worker declaration.
*syscalls.cc (access_worker): Move function to fhandler.cc.
(access): Use fhaccess method.
* pinfo.cc (_pinfo::set_ctty): Clarify debugging output.
* sigproc.cc (sig_dispatch_pending): Ditto.
* syscalls.cc (setsid): Perform minor rearrangement.
2004-01-24 03:40:33 +00:00
Christopher Faylor f723909038 * configure.in: Remove NEWVFORK default.
* configure: Regenerate.
* dcrt0.cc: Conditionalize vfork stuff throughout.
* dtable.cc: Ditto.
* perthread.h: Ditto.
* pipe.cc (fhandler_pipe::close): Ditto.
* spawn.cc (spawnve): Ditto.
* syscalls.cc (setsid): Ditto.
* exceptions.cc (sigpacket::process): Use macro to refer to vfork pid.
* debug.cc (verify_handle): Define new function.
* debug.h (VerifyHandle): Define new macro.
(verify_handle): Declare new function
* fhandler.cc (fhandler_base::dup): Verify that dup'ed handle is not supposed
to be in use.
(fhandler_base::set_inheritance): Ditto.
(fhandler_base::fork_fixup): Ditto.
* fhandler_socket.cc (fhandler_socket::dup): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::open): Ditto.
* net.cc (set_socket_inheritance): Ditto.
* pinfo.cc (pinfo_fixup_after_exec): Ditto.
* sigproc.cc (proc_subproc): Ditto.
(sig_send): Ditto.
* spawn.cc (spawn_guts): Ditto.
* thread.cc (pthread::init_mainthread): Ditto.
* pipe.cc (fhandler_pipe::close): Close read_state with ForceCloseHandle since
it was protected.
(fhandler_pipe::fixup_after_exec): Protect read_state handle.
(fhandler_pipe::dup): Correctly close open handles on error condition.  Verify
that dup'ed handle is not supposed to be in use.
(fhandler_pipe::create): Protect read_state.
2004-01-23 23:05:33 +00:00
Christopher Faylor f6936c48f3 * cygwin/include/signal.h: Add copyright notice.
* cygwin.din: Make clock SIGFE.  Add clock_gettime, sigwaitinfo, timer_create,
timer_delete, timer_settime.
* include/cygwin/version.h: Reflect above additions.
* fork.cc (fork_child): Call fixup_timers_after_fork.
* signal.cc (sigwait): Remove unused variable.
* timer.cc: New file.
(clock_gettime): Define new function.
(timer_tracker): Define new struct used by timer functions.
(timer_tracker::timer_tracker): New function.
(to_us): New function.
(timer_thread): New function.
(timer_tracker::settime): New function.
(timer_create): New function.
(timer_settime): New function.
(timer_delete): New function.
(fixup_timers_after_fork): New function.
* cygthread.cc: Bump thread count.
* signal.cc (sigwaitinfo): Define new function.
(sigwait): Redefine based on sigwaitinfo.
* include/cygwin/signal.h (sigwaitinfo): Declare.
(sigwait): Ditto.
* dtable.cc (dtable::vfork_parent_restore): Avoid double close of ctty when
ctty == ctty_on_hold.
* cygtls.h (_threadinfo::threadkill): New element.
(_threadinfo::set_threadkill): Declare new function.
(_threadinfo::reset_threadkill): Declare new function.
* dcrt0.cc (dcrt0_1): Call here so that it will be possible to attach to
running process with #(*& Windows Me/9x.
(initial_env): Try to initialize strace if uninitialized.
* gendef: Don't zero signal if threadkill is set since that will happen in the
called function.
* signal.cc (sigwait): Ensure cleanup in error conditions.
* sigproc.cc (sig_send): Clear packet mask storage.
(wait_subproc): Fill in child exit code in siginfo_t structure.
* thread.cc (pthread_kill): Set threadkill flag.
* tlsoffsets.h: Regenerate.  Throughout, use siginfo_t to fill out all signal
information for "kernel" signals.
* cygtls.h (_threadinfo::set_siginfo): Declare new function.
* cygtls.cc (_threadinfo::set_siginfo): Define new function.
* dcrt0.cc (do_exit): Accommodate siginfo_t considerations.
* exceptions.cc (handle_exceptions): Ditto.
(sig_handle_tty_stop): Ditto.
(ctrl_c_handler): Use killsys() to send signal.
(sigpacket::process): Rename from sig_handle.  Use siginfo_t field from
sigpacket for everything.
(tty_min::kill_pgrp): Accommodate siginfo_t considerations.
(fhandler_termios::bg_check): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::ioctl): Use killsys() to send signal.
* signal.cc (kill_worker): Rewrite to use siginfo_t second argument.
(kill_pgrp): Ditto.
(kill0): Define new function pulled from kill().
(kill): Rewrite as frontend to kill0.
(killsys): Define new function.
* sigproc.cc (sigelem): Eliminate.
(sigpacket): Move to sigproc.h.  Subsume sigelem.
(pending_signals): Use sigpacket rather than sigelem for everything.
(sig_clear): Ditto.
(wait_sig): Ditto.
(sig_send): Rewrite to use siginfo_t argument.
(sig_send): New function wratpper to sig_send with siginfo_t argument.
(wait_subproc): Accommodate siginfo_t considerations.
* thread.cc (pthread_kill): Ditto.
* sigproc.h (sigpacket): Move here.
(sigpacket::process): Declare "new" function.
(sig_handle): Eliminate declaration.
(sig_send): Declare with new paramaters.
(killsys): Declare new function.
(kill_pgrp): Declare.
* winsup.h: Move some signal-specific stuff to sigproc.h.
* include/cygwin/signal.h: Tweak some siginfo_t stuff.
2004-01-19 05:46:54 +00:00
Christopher Faylor 2d1d1eb1e4 * cygtls.h (_threadinfo::call): Remove regparm declaration to work around
compiler bug.
* autoload.cc (TryEnterCriticalSection): Remove.
* dcrt0.cc (dll_crt0_0): Delete inappropriate setting of _my_tls.stackptr to
NULL since it has really bad consequences.  Make 'si' an automatic variable.
* cygtls.cc (_threadinfo::init_thread): Correct thinko which caused thread list
to be allocated every time.
* cygtls.h (CYGTLS_PADSIZE): Define as const int.
* sync.h: Make multiple inclusion safe.
(muto::next): Eliminate.
(muto::exiting_thread): New variable.
(muto::set_exiting_thread): New function.
(new_muto): Change to use different section for mutos since c++ give
inexplicable warning in some cases otherwise.
(new_muto1): Ditto.
* dcrt0.cc (do_exit): Call muto::set_exiting_thread here.
* sync.cc (muto_start): Eliminate.
(muto::acquire): Always give exiting thread a lock.  Never give thread a lock
if exiting.
(muto::release): Ditto for releasing.
* dtable.cc (dtable::init_lock): Unline function and define here.
* dtable.h (lock_cs): Define as a muto since critical sections seem to work
oddly on Windows Me.
(lock): Accommodate switch to muto.
(unlock): Ditto.
* exceptions.cc (setup_handler): Don't worry about acquiring mutos since that
hasn't mattered for a long time.
(signal_exit): Ditto: muto stuff will be handled automatically on exit now.
* Makefile.in (DLL_IMPORTS): Link advapi32 to ensure proper DLL initialization.
* autoload.cc (RegCloseKey): Arbitrarily choose this function as a "seed" to
pull the advapi32 link library in.  So, comment out the autoloading.
* cygtls.cc (_threadinfo::init_thread): Just clear CYGTLS_PADSIZE.
(_threadinfo::remove): Add debugging.
(_threadinfo::find_tls): Ditto.
* cygtls.h (_threadinfo::padding): Make zero length (for now?).
* dcrt0.cc (dll_crt0_0): Move more initialization here from dll_crt0_1.
(dll_crt0_1): See above.
* dtable.h (dtable::lock): Remove commented out critical section locking.
* dtable.h (dtable::init_lock): Remove commented out critical section locking.
* dtable.h (dtable::unlock): Remove commented out critical section locking.
* exceptions.cc (interruptible): bool'ize.
* init.cc (threadfunc_fe): Revert to storing threadfunc at stack bottom.
(munge_threadfunc): Ditto.  Avoid adding overhead to calibration_thread.
(prime_threads): Don't initialize tls stuff.
(dll_entry): Make minor change to initialization order.
* tlsoffsets.h: Regenerate.
* sigproc.cc (wait_sig): Add sanity check for end of process thread exit.
* select.h: Make minor formatting change.
* Makefile.in: Add still more -fomit-frame-pointer functions.
* dtable.h (dtable::lock): New function.
(dtable::unlock): New function.
(dtable::init_lock): New function.
* cygheap.h (HEAP_TLS): Declare new enum value.
(init_cygheap::threadlist): Declare new array.
(init_cygheap::sthreads): Declare new variable.
(cygheap_fdmanip::~cygheap_fdmanip): Use new dtable lock/unlock functions.
(cygheap_fdnew::cygheap_fdnew): Ditto.
(cygheap_fdget::cygheap_fdget): Ditto.
* dtable.cc (dtable_init): Initialize fdtab critical section.
(dtable::fixup_after_fork): Ditto.
(dtable::fixup_after_exec): Ditto.
(dtable::dup2): Use lock/unlock calls to protect access to fdtab.
(dtable::find_fifo): Ditto.
(dtable::fixup_before_fork): Ditto.
(dtable::fixup_before_exec): Ditto.
(dtable::set_file_pointers_for_exec): Ditto.
(dtable::vfork_child_dup): Ditto.
(dtable::vfork_parent_restore): Ditto.
* syscalls.cc (close_all_files): Ditto.
* sync.h (muto::acquired): Declare new function.
(new_muto1): Declare new macro used to specify name of muto storage.
* sync.cc (muto::acquired): Define new function.
* cygthread.cc (cygthread::stub): Remove signal chain removal call since it is
handled during initialization now.
* cygthread.cc (cygthread::simplestub): Remove signal chain removal call since
it is handled during initialization now.
* cygtls.cc (sentry): New class used for locking.  Use throughout.
(_threadinfo::reset_exception): Don't pop stack.
(_threadinfo::find_tls): Move from exceptions.cc.
(_threadinfo::init_thread): Initialize array of threads rather than linked
list.  Take second argument indicating thread function for this thread.
(_threadinfo::remove): Search thread array rather than linked list.  Use sentry
to lock.  Only unlock if we got the lock.
(_threadinfo::find_tls): Ditto for first two.
(handle_threadlist_exception): Handle exceptions when manipulating the thread
list in case of premature thread termination.
(_threadinfo::init_threadlist_exceptions): Ditto.
* cygtls.h (TLS_STACK_SIZE): Decrease size.
(_threadinfo::padding): Add element to avoid overwriting lower part of stack.
(_threadinfo::remove): Add a "wait" argument to control how long we wait for a
lock before removing.
* exceptions.cc (init_exception_handler): Make global.  Take argument to
control exception handler being set.
(ctrl_c_handler): Wait forever when removing self from signal chain.
(_threadinfo::find_tls): Move to cygtls.cc.
(sig_handle): Reorganize detection for thread-specific signals.
* heap.cc (heap_init): Rework slightly.  Make fatal error more verbose.  Remove
malloc initialization since it can't happen during dll attach.
* init.cc (search_for): Move address to search for on stack here.
(threadfunc_ix): Ditto for stack offset.  Make shared so that stack walk
potentially only has to be done once when cygwin processes are running.
(threadfunc_fe): Use standard tls to store thread function (may change back
later).
(calibration_thread): New function.  Potentially called to find threadfunc_ix.
(munge_threadfunc): Search for "search_for" value on stack.  Output warning
when thread func not found on stack.  Use standard tls to store thread
function.
(prime_threads): New function.  Called to prime thread front end.
(dll_entry): Call dll_crt0_0 here when DLL_PROCESS_ATTACH.  Call prime_threads
here.  Try to remove thread from signal list here.
* sigproc.cc (wait_sig): Initialize threadlist exception stuff here.
* thread.cc (pthread::exit): Pass argument to signal list remove function.
* thread.h: Remove obsolete *ResourceLock defines.
* tlsoffsets.h: Regenerate.
* winsup.h (spf): Define temporary debug macro to be deleted later.
* dcrt0.cc (dll_crt0_0): New function, called during DLL initialization.
Mainly consists of code pulled from dll_crt0_1.
(dll_crt0_1): See above.
(_dll_crt0): Wait for initial calibration thread to complete, if appropriate.
Move some stuff to dll_crt0_0.
(initialize_main_tls): Accommodate argument change to
_thread_info::init_thread.
* fork.cc (fork_child): Ditto.
(sync_with_child): Fix debug message.
* external.cc (cygwin_internal): Remove special considerations for
uninitialized dll since initialization happens during dll attach now.
* dlfcn.cc (dlopen): Remove obsolete *ResourceLock calls.
(dlclose): Ditto.
* cygheap.h (init_cygheap::close_ctty): Declare new function.
* cygheap.cc (init_cygheap::close_ctty): Define new function.
* syscalls.cc (close_all_files): Use close_ctty.
(setsid): Ditto.
* cygthread.cc (cygthread::stub): Remove exception initialization.
* cygthread.cc (cygthread::stub): Remove exception initialization.
(cygthread::simplestub): Ditto.
* thread.cc (pthread::thread_init_wrapper): Ditto.
* cygtls.cc (_last_thread): Make static.
(_threadinfo::call2): Initialize exception handler here.
(_threadinfo::find_tls): Move here.
* exceptions.cc (_threadinfo::find_tls): Move.
* dcrt0.cc (__api_fatal): Add prefix info to message here rather than including
it in every call to function.
* winsup.h (api_fatal): Accommodate above change.
* debug.cc (add_handle): Don't do anything if cygheap not around.
(mark_closed): Ditto.
* dll_init.cc (dll_list::detach): Fix debug output.
* fork.cc (sync_with_child): Ditto.
(vfork): Improve debug output.
* heap.cc (heap_init): Ditto.
* exceptions.cc (try_to_debug): Clarify message when debugger attaches.
2004-01-14 15:45:37 +00:00
Christopher Faylor 8ed5c9b629 Move open_fhs from fhandler.h to cygheap.h for easier tracking. Accommodate
this change throughout.
* dtable.cc (dtable::add_archetype): Use correct count when iterating through
*active* archetypes.
* dtable.cc (dtable::fixup_after_exec): Close handle if close_on_exec and
archetype exists since archetype currently does not set windows close-on-exec
flag (FIXME).
* fhandler_tty.cc (fhandler_tty_slave::open): Change debugging output slightly.
(fhandler_tty_slave::close): Ditto.
(fhandler_tty_slave::fixup_after_fork): Just report on inherited use counts
since since archetype currently does not set windows close-on-exec flag
(FIXME).
* pinfo.cc (_pinfo::set_ctty): Change debugging output slightly.
* cygheap.cc (cygheap_init): Remove open_fhs accommodation and use count
reporting.
* perthread.h (vfork_save::fhctty): New element.
* perthread.h (vfork_save::open_fhs): New element.
* fork.cc (vfork): Muck around with ctty and open_fhs stuff, both of which are
now saved in the vfork_save structure.
2003-12-30 01:57:16 +00:00
Christopher Faylor fe861ce934 * syscalls.cc (close_all_files): Simplify logic around closing ctty. 2003-12-27 02:41:07 +00:00
Christopher Faylor 1df3fbe2db * fhandler.h (fhandler_tty_master::fixup_after_fork): Remove declaration.
(fhandler_tty_master::fixup_after_exec): Ditto.
* fhandler_tty.cc (fhandler_tty_master::init): Fix so that children do not
inherit master tty handles.
(fhandler_tty_master::fixup_after_fork): Remove, since it was never used.
(fhandler_tty_master::fixup_after_exec): Ditto.
* pinfo.cc (_pinfo::set_ctty): Increment open_fhs when ctty is set.
* cygheap.cc (cygheap_init): Ditto.
* syscalls.cc (setsid): *Always* call close on opened ctty since the archetype
is associated with the ctty and it counts as an opened handle.
* tty.cc (tty::common_init): Don't protect input/output mutex since it confuses
subsequent fork/execs when CYGWIN=tty.
2003-12-27 01:59:29 +00:00
Christopher Faylor 56b5feb639 * exceptions.cc (try_to_debug): Fix off-by-one problem when resetting
environment variable after error_start detected.
* fhandler_tty_slave.cc (fhandler_tty_slave::close): Clarify debug message.
* syscalls.cc (setsid): Don't increment usecount here, since it will be
automatically decremented on close.
2003-12-27 00:25:02 +00:00
Christopher Faylor 29d52c8a27 * exceptions.cc (set_signal_mask): Redefine to not pass by address. Report
calculated mask in debugging output.
* sigproc.h (set_signal_mask): Reflect above change in declaration.
* path.cc (mount_item::build_win32): Take path apart before feeding it to
fnmunge.  Throughout, change use of _reent_winsup()-> to _my_tls.locals.
instead.  Throughout, remove obsolete MT_SAFE/_CYG_THREAD_FAILSAFE
considerations.  Througout, add cygtls.h include.
* Makefile.in (DLL_OFILES): Add cygtls.o.  Add some more objects to the
-fomit-frame-pointer list.
* acconfig.h: Remove obsolete settings.
* config.h.in: Ditto.
* bsdlib.cc: Add cygtls.h include.
* configure.in: Remove --enable-extra-threadsafe-checking.
* configure: Regenerate.
* cygtls.h (_local_storage): New struct renamed from _winsup_t (sic).
(_threadinfo:local_clib): Add new field.
(_threadinfo::locals): Ditto.
(_threadinfo::init_thread): Accept second _reent * argument.
(_threadinfo::call): Define as regparm.
(CYGTLS_PADSIZE): Remove unnecessary slop.
(_getreent): Define as a macro.
* thread.h: Remove _CYG_THREAD_FAILSAFE and MT_SAFE stuff.
(_winsup_t): Move to cygtls.h.
(ResourceLocks::ResourceLocks): Eliminate empty constructor.
(MTinterface::reents): Eliminate.
(MTinterface::thread_self_key): Eliminate.
(MTinterface::MTinterface): Eliminate.
* dcrt0.cc: Include stdio.h for _impure_ptr initialization.
(do_global_ctors): Remove run_ctors_p (sic) considerations.  Don't call atexit
here.
(__main): Initialize destructors for user here.
(dll_crt0_1): Accept a dummy argument.  Don't call init_thread here.  Don't set
_impure_ptr here.  Call do_global_ctors after more things have been
initialized.
(_dll_crt0): Define zeros buffer as max of needed size of CYGTLS_PADSIZE so
that it can be used for two purposes while minimizing stack usage.  Initialize
_impure_ptr specifically, for speed.  Call dll_crt0_1 with buffer argument.
(cygwin_dll_init): Call dll_crt0_1 with dummy argument.
* dtable.cc (dtable::find_unused_handle): Remove call to AssertResourceOwner.
* exceptions.cc: Move _threadinfo stuff to new file.
* cygtls.cc: New file.
* gentls_offsets: Accommodate increasing complexity of cygtls.h.
* hires.h (hires_base::~hires_base): Remove.
* init.cc (dll_entry): Remove setting of reents.
* thread.cc: Remove syslog.h include.
(__getreent): Simplify to use _my_tls.
(_reent_winsup): Delete.
(AssertResourceOwner): Delete.
(MTinterface::Init): Remove setting of _clib and _winsup, with all that
entails.
(MTinterface::fixup_after_fork): Ditto.
(pthread::thread_init_wrapper): Ditto.  Also remove call to
set_tls_self_pointer.
(pthread::set_tls_self_pointer): Eliminate.
(pthread::get_tls_self_pointer): Just return _my_tls.tid;
(__reent_t::init_clib): Eliminate.
* tlsoffsets.h: Regenerate.
2003-12-23 16:26:31 +00:00
Christopher Faylor 1ed95be609 * exceptions.cc (set_signal_mask): Report on input argument rather than
getsigmask.
* fhandler.h (fhandler_base): Make friends with close_all_files.
* pinfo.cc (_pinfo::set_ctty): Add more debugging.
* sigproc.cc (proc_can_be_signalled): Detect state when signal handler thread
is gone in target process as an EPERM situation.  Set errno to ESRCH if process
doesn't exist.
(sigproc_terminate): Set sendsig to illegal value when closed.
(sig_send): Rely on proc_can_be_signalled setting the proper errno.
* syscalls.cc (close_all_files): Detect when all ttys are closed prior to
calling close_all_files.  The ctty needs to be closed explicitly in this case.
2003-12-16 23:28:03 +00:00
Christopher Faylor 9908d9977b * winsup.h (access_worker): Declare with added fhandler_base parameter.
* syscalls.cc (access_worker): Accommodate extra fhandler_base argument.  Use
it instead of stat_worker to determine stat information, when appropriate.
* fhandler.cc (fhandler_base::device_access_denied): Pass fhandler pointer to
access_worker so that it can use the proper method for determining stat
information.
* fhandler_disk_file.cc (fhandler_disk_file::opendir): Ditto.
2003-12-15 04:16:42 +00:00
Christopher Faylor 8e10c4311f * cygheap.h (cygheap_types): Add HEAP_ARCHETYPES.
(init_cheap::ctty): Change to pointer.
* dtable.h (dtable::find_archetype): Declare new function.
(dtable::add_archetype): Declare new function.
(dtable::delete_archetype): Declare new function.
(dtable::narchetypes): Declare.
(dtable::farchetypes): Declare.
(dtable::initial_archetype_size): Declare.
(dtable::dtable): Initialize new fields.
(dtable::initial_archetype_size): Declare.
* dtable.cc (dtable::find_archetype): Define new function.
(dtable::add_archetype): Define new function.
(dtable::delete_archetype): Define new function.
(dtable::initial_archetype_size): Define.
* fhandler.h (fhandler_base::archetype): Declare.
(fhandler_base::usecount): Declare.
* fhandler.cc (fhandler_base::fhandler_base): Initialize new fields.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Pass NULL to third
argument of set_ctty.
* fhandler_tty.cc (fhandler_tty_slave::open): Accommodate new archetype method
to create only one instance of a tty.
(fhandler_tty_slave::close): Don't close handles unless archetype usecount is
zero.  When that happens, close archetype too.
(fhandler_tty_slave::dup): Just copy archetype.  Set use count appropriately.
Set ctty, if appropriate.
(fhandler_tty_common::dup): Remove slave considerations.
(fhandler_tty_common::set_close_on_exec): Remove cygheap->ctty considerations.
* pinfo.cc (_pinfo::set_ctty): Accommodate new archetype methods.
* pinfo.h (_pinfo::set_ctty): Make third argument explicit.
* syscalls.cc (close_all_files): Decrement controlling tty use count before
closing all handles to allow controlling tty to be closed.  Remove previous
controlling tty considerations.
2003-12-11 06:12:41 +00:00
Christopher Faylor ce40c6baf7 * fhandler_tty.cc (fhandler_tty_common::dup): Just copy cygheap->ctty to child
if duping the current ctty.
(fhandler_tty_common::close): Move debugging statement earlier in function.
(fhandler_tty_slave::close): Return success when closing ctty.
* syscalls.cc (close_all_files): Avoid calling fhandler_tty_slave close method
so that open_fhs will not be decremented when closing cygheap ctty.
(setsid): Ditto.
* dcrt0.cc (do_exit): Reorganize to avoid leaving a critical section active
after vfork.
* fhandler.h (fhandler_tty_slave::get_unit): Remove regparm parameter since it
can't work in a virtualized function.
2003-12-10 03:19:19 +00:00
Christopher Faylor da915a3aa6 * fhandler.h (fhandler_tty_slave::ttyname): Use name from pc since it is
guaranteed to be accurate.
* fhandler_tty.cc (fhandler_tty_slave::open): Increment open_fhs appropriate
when copying ctty.
(fhandler_tty_slave::close): Remove special case handling for exit_state.  Use
ctty < 0 check instead.
(fhandler_tty_common::close): Set io_handle to NULL after closing.
* syscalls.cc (close_all_files): Specifically close cygheap->ctty, if
appropriate.
2003-12-08 06:27:05 +00:00
Christopher Faylor 2e008fb91f Change use of BOOL, TRUE, FALSE to bool, true, false, as appropriate,
throughout.
* tty.cc (tty::common_init): Remove call to SetKernelObjectSecurity and edit
some comments.
* cygheap.h (init_cygheap::ctty): Add new element.
* devices.in (device::parse): Remove special handling for /dev/tty.
* devices.cc: Regenerate.
* dtable.cc (build_fh_pc): Don't reset /dev/tty device.  Let the device opener
do that.
* fhandler_termios.cc (tty_min::set_ctty): Redefine to _pinfo class.
* fhandler_tty.cc (fhandler_tty_common::set_close_on_exec): Avoid setting
noninherit flag for ctty.
* tty.h: Move BOOLs to bools.
(tty_min::set_ctty): Redeclare to _pinfo class.
* pinfo.cc (_pinfo::set_ctty): Define new function based on tty_min::set_ctty.
Change first argument from tty number to tty_min class.
* pinfo.h (_pinfo::set_ctty): Declare.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Reflect move of
set_ctty to _pinfo class.
* fhandler_tty.cc (fhandler_tty_slave::open): Treat FH_TTY specially.  Use
saved cygheap value if it exists.  Otherwise convert to real device and save on
first time open.
(fhandler_tty_common::dup): Potentially set controlling tty if duping a slave
tty.
* syscalls.cc (setsid): Close controlling tty in cygheap.
* tty.cc: Change some BOOLs to bools.
2003-12-07 22:37:12 +00:00
Corinna Vinschen 2e3ff06d3c * syscalls.cc (locked_append): New.
(updwtmp): Remove mutex code and call locked_append.
	(pututline): Ditto.
2003-12-07 12:56:59 +00:00
Christopher Faylor 9a4d574b8d Eliminate use of sigframe and sigthread throughout.
* Makefile.in (DLL_OFILES): Add sigfe.o.  Remove reliance on cygwin.def from
cygwin0.dll dependency since dependence on sigfe.o implies that.  Generate def
file on the fly using 'gendef'.
* configure.in: Don't auto-generate cygwin.def.
* configure: Regenerate.
* cygwin.din: Add SIGFE stuff where appropriate.
* dcrt0.cc (dll_crt0_1): Initialize cygwin tls early in process startup.  Set
_main_tls to address of the main thread's cygwin tls.
* debug.h: Remove now unneeded WFSO and WFMO declarations.
* exceptions.cc (_last_thread): Define.
(set_thread_state_for_signals): New function.
(reset_thread_exception_for_signals): Ditto.
(init_thread_for_signals): Ditto.
(delete_thread_for_signals): Ditto.
(capture_thread_for_signals): Ditto.
(handle_exceptions): Set return address explicitly for exceptions prior to
calling sig_send.
(interrupt_on_return): Eliminate.
(setup_handler): Add preliminary implementation for dealing with
thread-specific signals by querying _main_tls.
(signal_exit): Use cygthread::main_thread_id instead of mainthread.id.
(call_signal_handler_now): For now, just handle the main thread.
* fork.cc (vfork): Save and restore main _my_tls.
* gendef: New file.  Generates def file and sigfe.s file.
* gentls_offsets: New file.  Generates offsets for perl to use in sigfe.s.
* how-signals-work.txt: Mention that info is obsolete.
* init.cc (dll_entry): Initialize cygwin tls storage here.
* miscfuncs.cc (low_priority_sleep): Make a C function for easier calling from
asm.
* perthread.h (vfork_save::tls): New element.
* signal.cc (nanosleep): Replace previous use of
sigframe.call_signal_handler_now with straight call to call_signal_handler_now.
(abort): Ditto.
* syscalls.cc (readv): Ditto.
* termios.cc (tcsetattr): Ditto.
* wait.cc (wait4): Ditto.
* sigproc.cc (sig_dispatch_pending): Ditto.
(sig_send): Ditto.
* sigproc.h: Declare call_signal_handler_now.
* thread.cc (pthread::thread_init_wrapper): Initialize cygwin tls.  Remove
obsolete and unworking signal stuff.
* thread.h (verifyable_object::sigs): Eliminate.
(verifyable_object::sigmask): Eliminate.
(verifyable_object::sigtodo): Eliminate.
(verifyable_object::exit): Make attribute noreturn.
(verifyable_object::thread_init_wrapper): Ditto.
(pthread_null::exit): Ditto.
* winbase.h (__stackbase): Always define.
* winsup.h (low_priority_sleep): Declare as a "C" function.
* include/cygwin/version.h: Bump API version to reflect sigwait export.
* include/sys/queue.h: Protect SLIST_ENTRY from previous declaration.
* signal.cc (sigwait): Implement.
* select.cc (fhandler_base::ready_for_read): Add debugging output.
* devices.h: Define more device pointers via their storage.
* devices.in: Don't parse things like /dev/inet/tcp, as they really have no
meaning.
* devices.cc: Regenerate.
* gendevices: Set proper protection for output file.
* cygtls.h: New file.
* gendef: New file.
* gentls_offsets: New file.
* tlsoffsets.h: New file.  Autogenerated.
* config/i386/longjmp.c: Remove.  File subsumed by gendef output.
* config/i386/makefrag: Remove obsolete file.
* fhandler.cc: Remove spurious access_worker declaration.
* spawn.cc (spawnve): Make debugging output more accurate.
* cygwin-gperf: Remove.
* devices.cc: Remove.
2003-11-28 20:55:59 +00:00
Robert Collins 95d02d5b9b 2003-11-11 Robert Collins <rbtcollins@hotmail.com>
Ron Parker <rdparker@butlermfg.com>

	* bsdlib.cc: Update throughout to use CYG_MAX_PATH rather than MAX_PATH.
	* cygheap.h: Ditto.
	* dcrt0.cc: Ditto.
	* delqueue.cc: Ditto.
	* dlfcn.cc: Ditto.
	* dll_init.cc: Ditto.
	* dll_init.h: Ditto.
	* dtable.cc: Ditto.
	* environ.cc: Ditto.
	* environ.h: Ditto.
	* exceptions.cc: Ditto.
	* external.cc: Ditto.
	* fhandler_disk_file.cc: Ditto.
	* fhandler_proc.cc: Ditto.
	* fhandler_process.cc: Ditto.
	* fhandler_raw.cc: Ditto.
	* fhandler_registry.cc: Ditto.
	* fhandler_socket.cc: Ditto.
	* fhandler_virtual.cc: Ditto.
	* miscfuncs.cc: Ditto.
	* mmap.cc: Ditto.
	* netdb.cc: Ditto.
	* path.cc: Ditto.
	* path.h: Ditto.
	* pinfo.cc: Ditto.
	* pinfo.h: Ditto.
	* pthread.cc: Ditto.
	* registry.cc: Ditto.
	* shared.cc: Ditto.
	* shared_info.h: Ditto.
	* smallprint.c: Ditto.
	* spawn.cc: Ditto.
	* strace.cc: Ditto.
	* syscalls.cc: Ditto.
	* thread.h: Ditto.
	* uinfo.cc: Ditto.
	* winsup.h: Ditto.
	* include/limits.h: Ditto.
	* include/cygwin/config.h: Ditto.
	* include/sys/param.h: Ditto.
2003-11-14 23:40:06 +00:00
Corinna Vinschen 1db928422e * syscalls.cc (ftruncate64): Log length as long long.
(logout): Erase ut_host.  Don't write wtmp entry.  Return 1 only
	if matching utmp entry has been found, 0 otherwise.
2003-11-08 16:38:34 +00:00
Corinna Vinschen 6ef3b76be2 * syscalls.cc (getshmlba): New function.
* external.cc (cygwin_internal): Add CW_GET_SHMLBA handling.
	* mmap.cc (mmap64): Call getshmlba to evaluate granularity.
	* winsup.h (getshmlba): Add declaration.
	* include/cygwin/version.h: Bump API minor number.
	* include/sys/cygwin.h (cygwin_getinfo_types): Add CW_GET_SHMLBA.
2003-11-06 14:33:16 +00:00
Pierre Humblet 9808b5c420 2003-10-16 Pierre Humblet <pierre.humblet@ieee.org>
* syscalls.cc (seteuid32): Always construct a default DACL including
	the new sid, Admins and SYSTEM and copy it to the new thread token.
	* security.cc (create_token): Use a NULL default DACL in NtCreateToken.
2003-10-16 23:20:41 +00:00
Corinna Vinschen 99439385c6 * syscalls.cc (unlink): Don't even try DELETE_ON_CLOSE technique on
systems not supporting it.
2003-10-08 09:17:08 +00:00
Christopher Faylor 341d295422 * path.cc (symlink_info::check): Use new introducer for mknod'ed files.
(parse_device): Ditto.
* syscalls.cc (mknod_worker): Ditto.
2003-09-27 05:44:58 +00:00
Christopher Faylor 3c1e8187bd * cygwin-shilka: Remove '#line directives' or suffer debugging oddities. Use
-length option so that device prefixes are used.
* devices.cc: Regenerate.
* syscalls.cc (ttyname): Add debugging output.
2003-09-27 05:35:02 +00:00
Pierre Humblet 138847683d 2003-09-24 Pierre Humblet <pierre.humblet@ieee.org>
* shared_info.h (class user_info): New.
	(cygwin_user_h): New.
	(user_shared): New.
	(enum shared_locations): Replace SH_MOUNT_TABLE by SH_USER_SHARED;
	(mount_table): Change from variable to macro.
	* shared.cc: Use sizeof(user_info) in "offsets".
	(user_shared_initialize): Add "reinit" argument to indicate need
	to reinitialize the mapping. Replace "mount_table" by "user_shared"
	throughout. Call user_shared->mountinfo.init and
	user_shared->delqueue.init.
	(shared_info::initialize): Do not call delqueue.init.
	(memory_init): Add argument to user_shared_initialize.
	* child_info.h (child_info::mount_h): Delete.
	(child_info::user_h): New.
	* sigpproc.cc (init_child_info): Use user_h instead of mount_h.
	* dcrt0.cc (_dll_crt0): Ditto.
	* fhandler_disk_file.cc (fhandler_disk_file::close): Use
	user_shared->delqueue instead of cygwin_shared->delqueue.
	* fhandler_virtual.cc (fhandler_virtual::close): Ditto.
	* syscalls.cc (close_all_files): Ditto.
	(unlink): Ditto.
	(seteuid32): Add argument to user_shared_initialize.
2003-09-25 02:29:05 +00:00
Christopher Faylor 7ac6173643 * devices.cc: New file.
* devices.gperf: New file.
* devices.shilka: New file.
* cygwin-gperf: New file.
* cygwin-shilka: New file.
* fhandler_fifo.cc: New file.
* fhandler_nodevice.cc : New file.  Reorganize headers so that path.h precedes
fhandler.h throughout.  Remove device argument and unit arguments from fhandler
constructors throughout.  Remove pc arguments to fhandler functions and use
internal pc element instead, throughout.  Use dev element in pc throughout.
Use major/minor elements rather than units and device numbers previously in
fhandler class.  Use correct methods for fhandler file names rather than
directly accessing file name variables, throughout.
* Makefile.in (DLL_OFILES): Add devices.o, fhandler_fifo.o
* dcrt0.cc (dll_crt0_1): Call device::init.
* devices.h: Renumber devices based on more Linux-like major/minor numbers.
Add more devices.  Declare standard device storage.
(device): Declare struct.
* dir.cc (opendir): Use new 'build_fh_name' to construct a fhandler_* type.
* dtable.cc (dtable::get_debugger_info): Ditto.
(cygwin_attach_handle_to_fd): Ditto.
(dtable::release): Remove special FH_SOCKET case in favor of generic
"need_fixup_before" test.
(dtable::init_std_file_from_handle): Use either build_fh_dev or build_fh_name
to build standard fhandler.
(dtable::build_fh_name): Renamed from dtable::build_fhandler_from_name.  Move
out of dtable class.  Don't accept a path_conv argument.  Just build it here
and pass it to:
(build_fh_pc): Renamed from dtable::build_fhandler.  Move out of dtable class.
Use intrinsic device type in path_conv to create new fhandler.
(build_fh_dev): Renamed from dtable::build_fhandler.  Move out of dtable class.
Simplify arguments to just take new 'device' type and a name.  Just return
pointer to fhandler rather than trying to insert into dtable.
(dtable::dup_worker): Accommodate above build_fh name changes.
(dtable::find_fifo): New (currently broken) function.
(handle_to_fn): Use strechr for efficiency.
* dtable.h: Reflect above build_fh name changes and argument differences.
(fhandler_base *&operator []): Return self rather than copy of self.
* fhandler.cc (fhandler_base::operator =): Use pc element to set normalized
path.
(fhandler_base::set_name): Ditto.
(fhandler_base::raw_read): Use method to access name.
(fhandler_base::write): Correctly use get_output_handle rather than get_handle.
(handler_base::device_access_denied): New function.
(fhandler_base::open): Eliminate pc argument and use pc element of
fhandler_base throughout.
(fhandler_base::fstat): Detect if device is based in filesystem and use
fstat_fs to calculate stat, if so.
(fhandler_base::fhandler_base): Eliminate handling of file names and, instead,
just free appropriate component from pc.
(fhandler_base::opendir): Remove path_conv parameter.
* fhandler.h: Remove all device flags.
(fhandler_base::pc): New element.
(fhandler_base::set_name): Change argument to path_conv.
(fhandler_base::error): New function.
(fhandler_base::exists): New function.
(fhandler_base::pc_binmode): New function.
(fhandler_base::dev): New function.
(fhandler_base::open_fs): New function.
(fhandler_base::fstat_fs): New function.
(fhandler_base::fstat_by_name): New function.
(fhandler_base::fstat_by_handle): New function.
(fhandler_base::isfifo): New function.
(fhandler_base::is_slow): New function.
(fhandler_base::is_auto_device): New function.
(fhandler_base::is_fs_special): New function.
(fhandler_base::device_access_denied): New function.
(fhandler_base::operator DWORD&): New operator.
(fhandler_base::get_name): Return normalized path from pc.
(fhandler_base::get_win32_name): Return windows path from pc.
(fhandler_base::isdevice): Renamed from is_device.
(fhandler_base::get_native_name): Return device format.
(fhandler_fifo): New class.
(fhandler_nodevice): New class.
(select_stuff::device_specific): Remove array.
(select_stuff::device_specific_pipe): New class element.
(select_stuff::device_specific_socket): New class element.
(select_stuff::device_specific_serial): New class element.
(select_stuff::select_stuff): Initialize new elements.
* fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Move to base class
from fhandler_disk_file.
(fhandler_base::fstat_by_name): Ditto.
(fhandler_base::fstat_by_name): Ditto.
(fhandler_disk_file::open): Move most functionality into
fhandler_base::open_fs.
(fhandler_base::open_fs): New function.
(fhandler_disk_file::close): Move most functionality into
fhandler_base::close_fs.
(fhandler_base::close_fs): New function.
* fhandler_mem.cc (fhandler_dev_mem::open): Use device name in debugging
output.
* fhandler_socket.cc (fhandler_socket::set_connect_secret): Copy standard
urandom device into appropriate place.
(fhandler_socket::accept): Reflect change in fdsock return value.
* fhandler_tty.cc: See "throughouts" above.
* net.cc: Accommodate fdsock change throughout.
(fdsock): Return success or failure, accept fd argument and device argument.
* path.cc (symlink_info::major): New element.
(symlink_info::minor): New element.
(symlink_info::parse_device): Declare new function.
(fs_info::update): Accommodate changes in path_conv class.
(path_conv::fillin): Ditto.
(path_conv::return_and_clear_normalized_path): Eliminate.
(path_conv::set_normalized_path): New function.
(path_conv::path_conv): Set info in dev element.  Use path_conv methods Check
for FH_FS rather than FH_BAD to indicate when to fill in filesystem stuff.
where appropriate rather than direct access.  Use set_normalized_path to set
normalized path.
(windows_device_names): Eliminate.
(get_dev): Ditto.
(get_raw_device_number): Ditto.
(get_device_number): Ditto.
(win32_device_name): Call new device name parser to do most of the heavy
lifting.
(mount_info::conv_to_win32_path): Fill in dev field as appropriate.
(symlink_worker): Handle new device files.
(symlink_info::check): Ditto.
(symlink_info::parse_device): Define new function.
* path.h (executable_states): Move here from fhandler.h.
(fs_info): Rename variables to *_storage and create methods for accessing same.
(path_conv): Add dev element, remove devn and unit and adjust inline methods to
accommodate.
(set_normalized_path): Declare new function.
* pinfo.cc (_pinfo::commune_recv): Add broken support for handling fifos.
(_pinfo::commune_send): Ditto.
* pipe.cc (fhandler_pipe::close): check for existence of handle before closing
it.
(handler_pipe::create): Rename from make_pipe.  Change arguments to accept
fhandler_pipe array.  Accommodate fifos.
(pipe): Rework to deal with fhandler_pipe::create changes.
(_pipe): Ditto.
* select.cc: Use individual device_specific types throughout rather than
indexing with obsolete device number.
(set_bits): Use is_socket call rather than checking device number.
* shared_info.h (CURR_MOUNT_MAGIC): Update.
(conv_to_win32_path): Reflect addition of device argument.
* syscalls.cc (mknod_worker): New function.
(open): Use build_fh_name to build fhandler.
(chown_worker): Detect if this is an 'auto' device rather than an on-filesystem
device and handle appropriately.
(chmod_device): New function.
(chmod): Detect if this is an 'auto' device rather than an on-filesystem device
and handle appropriately.  Use chmod_device to set mode of in-filesystem
devices.
(stat_worker): Eliminate path_conv argument.  Call build_fh_name to construct
fhandler.  Use fh->error() rather than pc->error to detect errors in fhandler
construction.
(access_worker): New function pulled from access.  Accommodate in-filesystem
devices.
(access): Use access_worker.
(fpathconf): Detect if this is an 'auto' device rather than an on-filesystem
device and handle appropriately.
(mknod_worker): New function.
(mknod32): New function.
(chroot): Free normalized path -- assuming it was actually cmalloced.
* tty.cc (create_tty_master): Tweak for new device class.
(tty::common_init): Ditto.
* winsup.h (stat_worker): Remove.
(symlink_worker): Declare.
* exceptions.cc (set_process_mask): Just call sig_dispatch_pending and don't
worry about pending_signals since sig_dispatch_pending should always do the
right thing now.
(sig_handle): Reorganize SIGCONT handling to more closely conform to SUSv3.
* pinfo.h: Move __SIG enum to sigproc.h.
(PICOM_FIFO): New enum element.
(_pinfo): Remove 'thread2signal' stuff throughout class.
(_pinfo::commune_send): Make varargs.
(_pinfo::sigtodo): Eliminate.
(_pinfo::thread2signal): Ditto.
* signal.cc (kill_worker): Eliminate call to setthread2signal.
* sigproc.cc (local_sigtodo): Eliminate.
(getlocal_sigtodo): Ditto.
(sigelem): New class.
(pending_signals): New class.
(sigqueue): New variable, start of sigqueue linked list.
(sigcatch_nonmain): Eliminate.
(sigcatch_main): Eliminate.
(sigcatch_nosync): Eliminate.
(sigcomplete_nonmain): Eliminate.
(pending_signals): Eliminate.
(sig_clear): Call signal thread to clear pending signals, unless already in
signal thread.
(sigpending): Call signal thread to get pending signals.
(sig_dispatch_pending): Eliminate use of pending_signals and just check
sigqueue.
(sigproc_terminate): Eliminate all of the obsolete semaphore stuff.  Close
signal pipe handle.
(sig_send): Eliminate all of the obsolete semaphore stuff and use pipe to send
signals.
(getevent): Eliminate.
(pending_signals::add): New function.
(pending_signals::del): New function.
(pending_signals::next): New function.
(wait_sig): Eliminate all of the obsolete semaphore stuff.  Use pipe to
communicate and maintain a linked list of signals.
* sigproc.h: Move __SIG defines here.  Add __SIGPENDING.
(sig_dispatch_pending): Remove "C" specifier.
(sig_handle): Accept a mask argument.
* thread.cc: Remove signal handling considerations throughout.
2003-09-25 00:37:18 +00:00
Christopher Faylor d1fb625d2b * syscalls.cc (system): Strip signal considerations from here so that they are
not inherited by a child process.
* spawn.cc (spawn_guts): Handle system() signal stuff here.
* winsup.h (_P_SYSTEM): Define.
2003-09-20 00:31:13 +00:00
Christopher Faylor f7f542063b * syscalls.cc (gethostid): Add lpFreeBytesAvailable argument to
GetDiskFreeSpaceEx call since NT4 requires it.
2003-09-17 21:47:12 +00:00
Pierre Humblet c61ada9bd3 2003-09-15 Pierre Humblet <pierre.humblet@ieee.org>
* security.h (__sec_user): Add "access2" argument.
	(sec_acl): Add "original" and "access2" arguments.
	(sec_user): Add "sid2" and "access2" argument. Remove dependence on
	allow_ntsec.
	(sec_user_nih): Ditto.
	* sec_helper.cc (__sec_user): Add "has_security" test.
	Call sec_acl with new arguments, letting it handle original_sid.
	(sec_acl): Add "original" and "access2" arguments. Handle original_sid
	depending on flag but avoiding duplicates. Use "access2" for sid2.
	* pinfo.cc (pinfo::init): Use security attributes created by sec_user
	when creating the mapping.
	* security.cc (create_token): Adjust arguments in call to sec_acl.
	Call sec_user instead of __sec_user.
	* syscall.cc (seteuid32):  Adjust arguments in call to sec_acl. Remove
	now unnecessary test. Remove useless conversions to psid.
	* dcrt0.cc (dll_crt0_1): Call cygsid::init before pinfo_init.
2003-09-16 00:45:50 +00:00
Christopher Faylor 276448cf67 * include/sys/cygwin.h: Rename PID_UNUSED to PID_MAP_RW.
* pinfo.cc (pinfo_init): Initialize myself->gid.
(pinfo::init): Create the "access" variable, set it appropriately and use it to
specify the requested access.
* exceptions.cc (sig_handle_tty_stop): Add PID_MAP_RW in pinfo parent.
* signal.cc (kill_worker): Ditto for pinfo dest.
* syscalls.cc (setpgid): Ditto for pinfo p.
2003-09-13 17:14:15 +00:00
Corinna Vinschen 932a40e86b * Makefile.in (DLL_OFILES): Add getopt.o and iruserok.o.
* cygwin.din: Export __check_rhosts_file, __rcmd_errstr, optarg,
	opterr, optind, optopt, optreset, getopt, getopt_long, iruserok
	and ruserok.
	* getopt.c: Moved from lib to here.  Define opt* variables as
	dllexport.
	* iruserok.c: Moved from lib to here.  Rearrange function order.
	Prefer using 64/32 bit functions.
	* syscalls.cc (shell_fp): Define as struct __sFILE64.
	(getusershell): Use fopen64 instead of fopen.
	* winsup.h: Add declarations for seteuid32, fopen64,
	cygwin_gethostbyname and cygwin_inet_addr.
	* include/getopt.h: Declare opt* variables dllimport.
	* include/cygwin/version.h: Bump API minor number.
2003-09-10 19:13:05 +00:00
Christopher Faylor 4018776f6e * Makefile.in: Add some more -fomit-frame-pointer files.
* path.cc (conv_path_list_buf_size): Free normalized_path or suffer memory
leak.
* syscalls.cc (chroot): Ditto.
2003-09-10 16:22:49 +00:00
Corinna Vinschen 34a1d63d80 * Makefile.in (DLL_OFILES): Add bsdlib.o.
* autoload.cc (RegisterServiceProcess): Add.
	* bsdlib.cc: New file.
	(daemon): New function.
	(login_tty): Ditto.
	(openpty): Ditto.
	(forkpty): Ditto.
	* cygwin.din: Export daemon, forkpty, login_tty, logwtmp, updwtmp,
	openpty and revoke.
	* syscalls.cc (updwtmp): New function, writing to wtmp exclusively.
	(logwtmp): Ditto.
	(login): Call updwtmp instead of writing to wtmp by itself.
	(logout): Ditto.
	* tty.cc (revoke): New funtion.
	* include/paths.h: Define _PATH_DEVNULL.
	* include/pty.h: New header.
	* include/cygwin/version.h: Bump API minor number.
	* include/sys/utmp.h: Declare logwtmp with const arguments.
	Declare updwtmp.
	* lib/iruserok.c: New file.
	(ruserok): New function.
	(iruserok): Ditto.
	(__ivaliduser): Ditto.
	(__icheckhost): Ditto.
2003-09-10 15:51:59 +00:00
Pierre Humblet 7119fc0d0b 2003-09-09 Pierre Humblet <pierre.humblet@ieee.org>
* shared_info.h: Include security.h.
	(open_shared): Add psa argument.
	(user_shared_initialize): New declaration.
	* security.h: Add _SECURITY_H guard.
	(sec_user): Use sec_none in the no ntsec case.
	* spawn.cc (spawn_guts): Remove call to load_registry_hive.
	* syscalls (seteuid32): If warranted, call load_registry_hive,
	user_shared_initialize and RegCloseKey(HKEY_CURRENT_USER).
	* shared.cc (user_shared_initialize): New.
	(open_shared): Add and use psa argument.
	(memory_init): Move mount table initialization to
	user_shared_initialize. Call it.
2003-09-10 02:12:26 +00:00
Corinna Vinschen 24efca1401 * cygwin.din: Export endusershell, getusershell and setusershell.
* syscalls.cc (getusershell): New function.
	(setusershell): Ditto.
	(endusershell): Ditto.
	* include/cygwin/version.h: Bump API minor number.
2003-09-08 20:08:53 +00:00
Christopher Faylor be1ea8cde7 * syscalls.cc (_remove_r): Define. 2003-08-23 18:03:16 +00:00
Christopher Faylor 05cb7b17cb Throughout, eliminate argument to sig_dispatch_pending.
* exceptions.cc (setup_handler): Move non-interruptible condition handling
(back) to wait_sig (as suggested by Pierre Humblet).
(set_process_mask): Don't worry about calling sig_dispatch_pending from
sigthread since it is detected in the function anyway.
(sig_handle): Eliminate thisproc arg.  Don't call sig_dispatch_pending on
SIGCONT since that should happen automatically.
* sigproc.cc (sig_dispatch_pending): Eliminate justwake argument.  Just return
when called from sigthread.
(wait_sig): Change some variables to bool.  Change inner while to an if.  Move
uninterruptible signal handling here.
(sigproc_terminate): Don't call sig_dispatch_pending.  Just increment semaphore
on exit.
* speclib: Use slightly different (but still flawed) method for determining
symbols to extract from libraries.
2003-08-19 04:10:42 +00:00
Corinna Vinschen ae89a49602 * cygwin.din: Accomodate change from cygwin_lstat to lstat.
* syscalls.cc: Add defines to avoid declaration issues when
	renaming cygwin_lstat back to lstat.
	(lstat): Reverted name change from cygwin_lstat.
2003-08-13 11:28:42 +00:00
Christopher Faylor 4423d92489 * path.cc (cygdrive_getmntent): Do not skip over drives of type
DRIVE_REMOVABLE.
* fhandler.cc (fhandler_base::lseek): Be more paranoid when constructing
offsets from 64 bit value.
* syscalls.cc (logout): Avoid temp buffer memcpy since new scheme does not
require it.
(utmp_data): Rework as a macro which returns a pointer into a buffer.
(getutent): Use new buffer allocation mechanism to grab a utmp buffer.
(getutid): Ditto.
(pututline): Ditto.
2003-08-05 04:49:44 +00:00
Christopher Faylor df04ae29b2 * exceptions.cc (ctrl_c_handler): Send SIGHUP when events occur only if there
is a tty associated with the process.  Send SIGHUP on CTRL_LOGOFF_EVENT.
* fhandler_tty.cc (fhandler_tty_slave::open): Adjust console open handle
counter regardless of whether this is a pty or tty.
(fhandler_tty_slave::open): Ditto.
(fhandler_tty_slave::dup): Ditto.
(fhandler_tty_common::set_close_on_exec): Ditto.
(fhandler_tty_master::init_console): Decrement console open handle counter
after init since it will now be handled by all tty open.
* syscalls.cc (setsid): Rework debugging output slightly.
2003-07-26 04:53:59 +00:00
Corinna Vinschen ea3ba11499 * cygheap.h (class cygheap_user): Use INVALID_HANDLE_VALUE as invalid
value for tokens.
	* syscalls.cc (seteuid32): Ditto.  Set new_token to process token if
	process token is suitable.
	* uinfo.cc (uinfo_init): Initialize tokens in cygheap user info
	to INVALID_HANDLE_VALUE.

	* cygheap.h (enum impersonation): Delete.
	(cygheap_user::impersonation_state): Delete.
	(cygheap_user::current_token): New.
	(cygheap_user::issetuid): Modify to use current_token.
	(cygheap_user::token): Ditto.
	(cygheap_user::deimpersonate): Ditto.
	(cygheap_user::reimpersonate): Ditto.
	(cygheap_user::has_impersonation_tokens): Ditto.
	(cygheap_user::close_impersonation_tokens): Ditto.
	* security.cc (cygwin_set_impersonation_token): Always set the token.
	(verify_token): Change type of gsid to cygpsid.
	(get_file_attribute): Use the effective ids.
	* syscalls.cc (seteuid32): Modify to use cygheap_user::current_token.
	* uinfo.cc (uinfo_init) Do not set cygheap->user.impersonation_state.
2003-07-14 17:04:21 +00:00
Christopher Faylor 0d043e9aac white space 2003-07-06 20:13:48 +00:00
Christopher Faylor b671715358 * syscalls.cc (gethostid): Set thread affinity so that results are predictable. 2003-07-06 20:08:42 +00:00
Christopher Faylor 3872e9a419 * Makefile.in: Remove cygserver stuff.
* acconfig.h: Add USE_CYGSERVER define.
* config.h.in: Regenerate.
* configure.in: Add --enable-server setting.
* configure: Regenerate.
* fhandler_tty.cc (fhandler_tty_slave::open): Conditionalize compilation of
cygserver stuff.
* fork.cc (fork_child): Ditto.
* shm.cc: Ditto.
* tty.cc (tty::common_init): Ditto.
* dcrt0.cc: Use bool rather than BOOL for CYGWIN environment variable
definitions.
* environ.cc: Ditto.
* ntea.cc: Ditto.
* security.cc: Ditto.
* security.h: Ditto.
* syscalls.cc (check_posix_perm): Remove externs that were already declared in
a header.
* winsup.h: Ditto.  Declare _MT_SAFE here.  Delete it someday since cygwin
should always be _MT_SAFE.
2003-07-02 03:16:00 +00:00
Corinna Vinschen 70249d5687 * cygheap.h (enum impersonation): New enum.
(cygheap_user::token): Delete.
	(cygheap_user::impersonated): Delete.
	(cygheap_user::external_token): New member.
	(cygheap_user::internal_token): New member.
	(cygheap_user::impersonation_state): New member.
	(cygheap_user::issetuid): Modify.
	(cygheap_user::token): New method.
	(cygheap_user::deimpersonate): New method.
	(cygheap_user::reimpersonate): New method.
	(cygheap_user::has_impersonation_tokens): New method.
	(cygheap_user::close_impersonation_tokens): New method.
	* dtable.cc (dtable::vfork_child_dup): Use new cygheap_user methods.
	* fhandler_socket.cc (fhandler_socket::dup): Ditto.
	* fork.cc (fork_child): Ditto.
	(fork_parent): Ditto.
	* grp.cc (internal_getgroups): Ditto.
	* security.cc (verify_token): Ditto.
	(check_file_access): Ditto.
	(cygwin_set_impersonation_token): Detect conflicts. Set
	user.external_token.
	* spawn.cc (spawn_guts): Use new cygheap_user methods.
	* syscalls.cc (seteuid32): Rearrange to use the two tokens
	in cygheap_user.
	(setegid32): Use new cygheap_user methods.
	* uinfo.cc: (internal_getlogin): Ditto.
2003-06-30 13:07:36 +00:00
Christopher Faylor c433f4617f Throughout, remove "include <errno.h>" from files which already include
cygerrno.h.
* include/cygwin/config.h (__DYNAMIC_REENT__): Define.
* include/cygwin/version.h: Bump API minor version.
* cygwin.din: Export __getreent
* cygerrno.h: Include errno.h.  Fix places where _impure_ptr is used directly
to store the errno value.
* debug.cc (__set_errno): Ditto.
* errno.cc: Remove _RRENT_ONLY define to get errno.cc compiled.
* signal.cc: Rename _reent_clib to _REENT throughout.
* thread.h (reent_clib): Remove prototype.
* thread.cc (reent_clib): Rename reent_clib to __getreent.  Return _impure_ptr
until MTinterface is initialized.
(reent_winsup): Fix a possible SEGV when _r == NULL.  Return NULL instead.
* MTinterface::fixup_after_fork: Switch reent back to _impure_ptr to keep
signal handling running when fork is called from a thread other than the
mainthread.
2003-06-16 03:24:13 +00:00
Corinna Vinschen ada0376f64 * syscalls.cc (statfs): Call GetDiskFreeSpaceEx before GetDiskFreeSpace. 2003-05-26 16:52:58 +00:00
Corinna Vinschen a80229fd49 * autoload.cc (GetDiskFreeSpaceEx): Add.
* syscalls.cc (statfs): Call full_path.root_dir() instead of
	rootdir(full_path). Use GetDiskFreeSpaceEx when available and
	report space available in addition to free space.
	* fhandler_disk_file.cc (fhandler_disk_file::fstat_by_name):
	Do not call FindFirstFile for disk root directories.
2003-05-25 09:18:43 +00:00
Corinna Vinschen 5c768c978c * shared_info.h: Match shared_name declaration with below change.
* shared.cc (shared_name): Use incoming char * parameter instead of
	local static buffer.
	(open_shared): Accomodate new calling convention for shared_name.
	* exceptions.cc (events_init): Ditto.
	* sigproc.cc (getsem): Ditto.
	* syscalls.cc (login): Ditto.
	(logout): Ditto.
	(pututline): Ditto.
2003-05-21 08:01:57 +00:00
Corinna Vinschen 194d9eb318 * Makefile.in (CYGWIN_START): Define as crt0.o. Add to TARGET_LIBS.
* fhandler.h (fhandler_virtual::fstat): Remove useless declaration.
	* fhandler_virtual.cc: Remove _COMPILING_NEWLIB define.
	* ipc.cc (ftok): Use stat64.
	* syscalls.cc (_fstat64): Remove alias.
	(_fstat): Ditto.
	(_stat): Ditto.
	(_fstat64_r): New function.
	(_fstat_r): Ditto.
	(_stat64_r): Ditto.
	(stat_r): Ditto.
	* crt0.o: New file, moved from newlib.
	* include/sys/param.h: Ditto.
	* include/sys/utime.h: Ditto.
	* include/sys/utmp.h: Ditto.
	* include/sys/dirent.h: Ditto.  Expose different struct dirent,
	dependening of the environment.
2003-05-12 11:06:27 +00:00
Christopher Faylor 066ca06fd0 * dir.cc (readdir): Fill out new old_d_ino field.
* fhandler.h (fhandler_base::namehash): Define as ino_t.
(fhandler_base::get_namehash): Ditto.
* fhandler_disk_file.cc (fhandler_disk_file::fstat_helper): Accommodate new 64
bit st_ino.
* fhandler_socket.cc (fhandler_socket::fstat): Ditto.
* path.cc (hash_path_name): Return ino_t.
* syscalls.cc (stat64_to_stat32): Convert 64 bit inode to 32 bit.
* winsup.h (hash_path_name): Declare as returning ino_t.
* include/cygwin/stat.h (__stat32): Use 32 bit st_ino.
(__stat64): Use 64 bit st_ino.
* include/cygwin/types.h (__ino64_t): Define.
(__ino32_t): Ditto.
(ino_t): Define appropriately.
2003-05-11 00:10:11 +00:00
Corinna Vinschen 40d3c80413 * syscalls.cc (chown_worker): Allow chown'ing of socket files. 2003-05-03 16:03:19 +00:00
Christopher Faylor 4e837e7368 * syscalls.cc (setsid): Don't call FreeConsole if ctty is already < 0. 2003-04-18 00:25:41 +00:00
Christopher Faylor c448f78fd5 * termios.cc (setspeed): New function.
(cfsetospeed): Use setspeed to set speed.
(cfsetispeed): Use setspeed to set speed.
* autoload.cc: Add load statement for UuidCreate, and UuidCreateSequential.
* cpuid.h: New file.
* cygwin.din: Export gethostid.
* fhandler_proc.cc (cpuid): Move to cpuid.h.
(can_set_flag): Move to cpuid.h.
* syscalls.cc (gethostid): New function.
* version.h: Bump DLL minor version number to 83.
2003-04-16 03:03:45 +00:00
Corinna Vinschen 1727fba007 * dir.cc: Change __off32_t to _off_t and __off64_t to _off64_t
throughout.
	* fhandler.cc: Ditto.
	* fhandler.h: Ditto.
	* fhandler_clipboard.cc: Ditto.
	* fhandler_disk_file.cc: Ditto.
	* fhandler_dsp.cc: Ditto.
	* fhandler_floppy.cc: Ditto.
	* fhandler_mem.cc: Ditto.
	* fhandler_proc.cc: Ditto.
	* fhandler_process.cc: Ditto.
	* fhandler_random.cc: Ditto.
	* fhandler_registry.cc: Ditto.
	* fhandler_tape.cc: Ditto.
	* fhandler_termios.cc: Ditto.
	* fhandler_virtual.cc: Ditto.
	* fhandler_zero.cc: Ditto.
	* mmap.cc: Ditto.
	* pipe.cc: Ditto.
	* syscalls.cc: Ditto.
	* winsup.h: Ditto.
	* include/cygwin/stat.h: Ditto.
	* include/cygwin/types.h: Ditto.  Remove definition of __off32_t
	and __off64_t.
2003-04-01 16:11:41 +00:00
Corinna Vinschen 856a9750ba * syscalls.cc (login): Fix comment.
(logout): Ditto.
2003-03-29 13:15:55 +00:00
Corinna Vinschen 8304de2e34 * syscalls.cc: Slightly cleanup all utmp functions.
(login): Use mutex to secure against concurrent access to wtmp file.
	(logout): Rewrite using POSIX calls.
	(utmp_fd): Initialized to -1 now.  Any value < 0 is treated as closed
	in subsequent functions.
	(utmp_readonly): New variable, indicating utmp file open for reading
	only.
	(internal_setutent): New function implementing setutent().
	(setutent): Call internal_setutent now.
	(endutent): Reset utmp_readonly.
	(getutent): Return immediately if utmp file can't be opened.
	(getutid): Ditto.
	(getutline): Ditto.
	(pututline): Ditto. Use mutex to secure against concurrent access to
	utmp file.
2003-03-29 12:44:01 +00:00
Christopher Faylor ca04f61fc7 * syscalls.cc (unlink): Be more defensive when SetFileAttributes is called.
Fix typo in debugging output.
2003-03-22 17:48:40 +00:00
Christopher Faylor 4da34970de * sigproc.h (signal_fixup_after_exec): Eliminate argument in declaration.
* exceptions.cc (signal_fixup_after_exec): Eliminate argument in definition.
Don't reset signal handlers after spawm.  Just treat like fork/exec.
* dcrt0.cc (dll_crt0_1): Don't pass PROC_SPAWN argument to
signal_fixup_after_exec.
* syscalls.cc (unlink): Don't change attributes of file if not readonly/system.
Ditto for resetting of arguments.
2003-03-20 01:34:53 +00:00
Corinna Vinschen b1897d27a8 * fhandler_disk_file.cc (fhandler_disk_file::fstat_helper): Fix
wrong usage of S_IFDIR.
	* security.cc (get_attribute_from_acl): Ditto.
	(get_file_attribute): Fix wrong usage of S_IFLNK.
	(get_object_attribute): Ditto.
	(alloc_sd): Fix wrong usage of S_IFDIR.
	* syscalls.cc (chmod): Allow chmod'ing of socket files.
2003-03-19 21:34:38 +00:00
Christopher Faylor 3543669fd3 * cygwin.din: Export btowc, trunc.
* include/cygwin/version.h: Reflect new exports.
* syscalls.cc (_stat): Rename to stat to avoid newlib wrapper.
* syscalls.cc (_fstat): Ditto.
* fhandler_console.cc (fhandler_console::close): Correct check for current tty.
Add debugging output when console is freed.
(set_console_state_for_spawn): Add debugging output.
* fhandler_tty.cc (fhandler_tty_slave::open): Don't decrement console open flag
when vforking.
* sigproc.cc (sigproc_terminate): Fix debugging output.
* spawn.cc (handle): Eliminate second argument.
(spawn_guts): Reflect elimination of argument change to handle.
* syscalls.cc (setsid): Add debugging output when console is freed.
* syscalls.cc (rename): Revert assumption that DELETE_ON_CLOSE works on Win9x.
2003-03-17 19:08:11 +00:00
Christopher Faylor 41ffdfa51e * include/cygwin/version.h: Bump DLL minor number to 23. 2003-03-13 23:11:38 +00:00
Christopher Faylor 6fcd5661fe * syscalls.cc (rename): Assume that DELETE_ON_CLOSE works on Win9x.
* fhandler_tty.cc (fhandler_tty_slave::close): Fix typo in debug output.
2003-03-13 08:18:15 +00:00